Retekess TT107 Wireless Transmission System 2.4G Ear-hook Tour Guide System

Retekess TT107 Wireless Transmission System 2.4G Ear-hook Tour Guide SystemRetekess TT107 Wireless Transmission System 2. 4G Ear hook Tour Guide System Retekess TT107 is an earhook design tour guide system Integrated design, wireless headset, built in antenna, slim and compact design, easy to carry and storage,it is small and light. It is very easy to carry. And it has charging box (not included) to fit them. And itself is a speaker mic or earpieceas well, you don't need extra earpiece and speaker mic, and you don't need to

The CLS CCD filter blocks the emission lines of low- and high-pressure mercury (Hg) and sodium (Na) lamps as well as airglow

7V rechargeable battery

Pixel size: 1

perfect for faint structures in star-crowded regions of the Milky Way

dynamic focus control when connected to your camera

1 x SV190 10mm 1

4 (12nm filters) and f/2 (6nm filters)

1x SMA-Male (Amplifier) to SMA-Female (Radio) Cable

With a resolution of 3008 x 3008 pixels

Ideal for photography

While halos around bright stars are rare due to advanced engineering

min OD5（0